The MK136 is the latest crate engine from S&S Cycle for 2017-and-later Harley-Davidson M8 Touring models.
The MK136 features the MK crankcase and its precision-machined oil scraper, patented dual-spray piston cooling jets and retention plate. It marries that to a set of 136” cylinders, forged pistons and brand-new high-flow cylinder heads featuring 0.605” lift springs, 0.30” longer valves and oversized intake and exhaust valves, topped off with exclusive breather boxes. This 136-cubic-inch adds horsepower and retains the stock engine height.
VIDEO | S&S Cycle MK136 Engine for M8 touring models
Here is more information from S&S Cycle’s press release:
The MK136 is the latest in the line of complete replacement engines for your Harley-Davidson and S&S Cycle’s first for your 2017 and later models! The team took all of their proven performance parts for the M8 engines and made the biggest, most reliable option out there!
The Mk136 features the MK crankcase and its precision machined oil scraper, patented dual-spray piston cooling jets, and retention plate. It marries that to a set of 136” cylinders, forged pistons, and brand-new high-flow cylinder heads featuring .605” lift springs, .30” longer valves, and oversized intake and exhaust valves, topped off with exclusive breather boxes. This massive displacement is sure to create an equally massive increase in horsepower all while retaining stock engine height so it will fit into your 2017 and newer touring frames.
To find more information and detailed specs, visit https://www.sscycle.com/mk136
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